ANATOMICAL TRAVELOGUE / SCIENCE PHOTO LIBRARY ANATOMICAL TRAVELOGUE / SCIENCE PHOTO LIBRARY
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Three-dimensional visualisation of the musculature of the stomach. There are three muscular layers of the stomach. The longitudinal muscle coat, whose fibers concentrate around the curvature of the stomach, is the most superficial layer. The middle layer of circular fibers wraps around the length of the stomach and thickens at the pyloric sphincter. The innermost layer, the oblique muscle coat, runs parallel with the lesser curvature of the stomach. Against the interior wall of the stomach is a thick and vascular mucous membrane with numerous folds, or rugae.
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